Home / 20,119.16-30,166.96-6,074.97

Finding the Fourth Proportional to 20,119.16, 30,166.96 and 6,074.97

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Solution

The fourth proportional to 20,119.16, 30,166.96 and 6,074.97 is: 9,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119.16 : 30,166.96 = 6,074.97 : x
  2. Step 2: Convert to fraction form
    20,119.16/30,166.96 = 6,074.97/x
  3. Step 3: Cross multiply
    20,119.16x = 30,166.96 × 6,074.97
  4. Step 4: Simplify right side
    20,119.16x = 183,263,376.99
  5. Step 5: Solve for x
    x = 183,263,376.99/20,119.16
  6. Step 6: Final answer
    x = 9,108.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.